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Standard for performance test of oil-free lubrication air compressor

2026-04-13Views:

The performance test standards for oil-free air compressors involve many aspects. These standards are designed to ensure the performance, quality, safety and reliability of air compressors. The following is a detailed analysis of the performance test standards for oil-free lubrication air compressors:

1. international standards

  1. ISO 8573-1: This is an international standard for compressed air contaminants and purity, detailing three key parameters of air quality: particle size, moisture content and oil content. Among them, the oil content refers to the oil vapor and oil mist in the air, which has an important impact on the production and use of many industries. ISO 8573-1 defines different levels of air cleanliness, and oil-free air compressors should meet the corresponding oil content level requirements.

2. national standards

in China, oil-free air compressors are mainly restricted by the following two national standards:

  1. GB/T 3853: This standard specifies the gas quality standards that oil-free air compressors should meet, covering the three key parameters of particle size, moisture content and oil content, and is consistent with the international standard ISO 8573-1.

  2. GB/T 28143 this standard focuses on the relevant requirements of the oil-free air compressor in the design, manufacture, use and maintenance process to ensure the overall performance and safety of the air compressor.

3. specific technical indicators

in addition to the above standards, the performance test of oil-free air compressors also involves the following specific technical indicators:

  1. gas production: Gas production is an important indicator of oil-free air compressor, which indicates the displacement of compressed air per unit power. Machines with higher gas production under the same power are usually designed more scientifically, more environmentally friendly and energy-saving, and have better stability and durability.

  2. Exhaust pressure: According to industry standards, the exhaust pressure of oil-free air compressors should reach a certain level, such as 7Bar or higher. Some high-end models can achieve a wider adjustment range to meet different needs.

  3. Air dryness and cleanliness: The application of oil-free lubrication technology, as well as the treatment of the inner wall of the compressor air chamber and the spray treatment technology inside the air tank, coupled with a good air filter and oil-water separator, can ensure that the output air is cleaner and drier. For specific applications, such as medical air compressors, it may be necessary to install equipment such as non-thermal regeneration dryers to further reduce the moisture content and particle size in the air.

  4. Noise level for oil-free air compressors that need to be used in specific environments (such as medical, laboratory, etc.), the noise level is also an important quality indicator. Generally speaking, medical air compressors must be controlled within a certain decibel (such as within 60 decibels) to ensure that the staff work in a comfortable environment.

4. other relevant standards

for this specific type of oil-free screw air compressor, there are the following relevant standards:

  • GB/T 3853-2018 "oil-free screw compressed air machine performance test method" the performance parameters, test methods, inspection rules and technical requirements of the oil-free screw air compressor are specified.
  • ISO 1217-3 "air compressor performance test method Part 3: water-cooled and air-cooled screw compressed air machine": Similar to GB/T 3853, it also specifies the performance parameters and test methods of oil-free screw air compressors.

In summary, the performance test standards of oil-free air compressors involve international standards, national standards and specific technical indicators. Together, these standards ensure the performance, quality, safety and reliability of oil-free air compressors, and provide a strong guarantee for applications in different industries.

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